LB140DS35 SIPAT | Alldatasheet
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For IF SAW filter Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 139.85 140 140.15 Insertion Loss dB - 11 15 1 dB Bandwidth MHz 1.9 2.15 - 3 dB Bandwidth MHz 2.8 2.97 - 30 dB Bandwidth MHz - 5.58 6 Passband Variation dB - 0.2 0.8 Group Delay Variation(f0±1MHz) nsec - 37 100 Absolute Delay usec - 1.05 - Ultimate Rejection dB 40 51 - Material Temperature coefficient KHz/°C -2.52 Substrate Material - 112LT Ambient Temperature °C 25 Operating Temperature Range °C -40 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V 0 Input Power dBm - - 10 ESD Class - 1A Notes: 1. All specifications are based on the test circuit shown; 2. In production, all specifications are measured by Ag ilent Network analyzer and full 2 port calibration at room temperature; 3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; 4. This is the optimum impedance in order to achieve the performance show.
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LB140DS35 Rev. Date 2008-09-18 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Ver. 1.0 Page 2/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee 140MHz SAW Filter 3MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LB140DS35 Matching Configuration L1=22nH L2=27nH C1=C2=56pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension Pad Configuration: Input: 10 Output: 5 Ground: All Others Marking Configuration: 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LB140DS35: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code INPUT OUTPUT 50Ω 50Ω L1 L2 13.3 +0.2 -0.1 6.5 +0.2 -0.1 0.4 0.762.9 1.02 0.61.91 1.56 0.1 SIPAT LB140DS35 XXYYZZ 0.51
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LB140DS35 Rev. Date 2008-09-18 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Ver. 1.0 Page 3/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee 140MHz SAW Filter 3MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LB140DS35 Typical Performance Frequency Respond Passband Respond 125 130 135 140 145 150 155 -101.0566 -91.0566 -81.0566 -71.0566 -61.0566 -51.0566 -41.0566 -31.0566 -21.0566 -11.0566 -1.0566 Type Performance Frequency(MHz) Magnitude(dB) 136 137 138 139 140 141 142 143 144 -13.5566 -13.0566 -12.5566 -12.0566 -11.5566 -11.0566 -10.5566 -10.0566 -9.5566 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 1MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±1MHz) Phase Linearity(f0±1MHz) 850 900 950 1000 1050 1100 1150 1200 X: 140 Y: 1034 Type Performance Frequency(MHz) Group Delay Time(ns) X: 141 Y: 1051 X: 139 Y: 1054 X: 140 Y: -0.3521 Type Performance Frequency(MHz) Degree(deg) X: 141 Y: 0.2323 X: 139 Y: 0.365 Horizontal: 0.5MHz/Div Vertical: 50ns/Div Horizontal: 0.5MHz/Div Vertical: 2deg/Div Smith Chart S11 Smith Chart S22 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0 ∞ 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0 ∞